Table 1 Description of the five sampling protocols implemented in each Vietnamese live-bird market involved in the surveillance activities between November 2014 and December 2015.
ID of the sampling protocol | Sampling type | Description of the sample type | Number of individual samples | Number of pooled-by-five samples |
|---|---|---|---|---|
1 | Duck | Oropharyngeal swab | 30 | 6 |
2 | Solid waste | Swab of dust taken on the floor of poultry cages | 10 | 2 |
3 | Liquid waste | Swab of waste water taken in drain channels | 10 | 2 |
4 | Drinking water | Swab of drinking water in water troughs | 5 | 1 |
5 | Faeces | Swab of fresh faeces taken in duck resting areas | 5 | 1 |
